CORIXID.i:. 



339 



Family CORIXID.E. (Vol. Ill, p. 49.) 



Genus MACROCORISA. 



Macrocorisa, Thorns. Opusc. ent. i, p. i'8 (1869); Put. Synops. i, 

 p. 220 (1879) ; Wallenyr. Ent. Tidskr. 1894, pp. 133 & 134 ; Oshan. 

 Verz. Pal. Hem. Het. iii, p. 978 (1909). 



Macrocorixa, Buck. White, Ent. Month. Mag. x, p. 62 (1873). 



Corixa, Kirk. Tr. Am. Ent. Soc. xxxii, p. 152 (1906) ; id. Entomo- 

 logist, xxxix, p. 79 (1906). 



Type, M. fjeoffroyl. Leach. 



DistnbutioH. Palajarctic and Oriental Eegions. 



This genus is to be separated from Corixa (vol. iii, p. 49) by 

 the following characters, as pointed out by Buchanan AVhite 

 (supra) : — 



Pronotum and elytra not rastrate. Asymmetry 



to left side in male Macrocorisa. 



Pronotum and elytra more or less rastrate. 



Asvmmetrv to riglit side in male Corixa. 



:U14. Macrocorisa geoffroyi, Leach (Corixa), Tratis. Linn. Soc. xii, 

 p. 17 (1818); Hcrr.-Sch. Wanz. Ins. ix, p. 62, f. 914 (1853); 

 Thorns. (Macrocorisa), Opusc. Ent. i, p. 28 (1869) ; Buch. Whtt 

 (Macrocorixa), Ent. Month. May. x, p. 76 (1873); Saund. 

 (Corixa), Hem. Het. Brit. LM-^. p. 333 (1892) ; Oshan. Verz. 

 Pal. Hem.-Het. iii, p. 978 (1909). 



Corisa striata. Fall. Hem. Suec, Cim. p. 181 (1826-29) ; Kxrk. 

 (Corixa) Trans. Am. Ent. Soc. xxxii, p. 153_(1906). 



Corisa punctata, Burnt. Handb. ii, p. 186 (1835). 



" Greenish black, entirely smooth and shining; pronotum with 

 sixteen to twenty irregular "pale transverse lines ; elytra, including 



Fig. W^.— Macrocorisa geoffroyi. 



the clavus and membrane, closely mottled with short vermiculate 

 pale markings, irregularly punctured ; legs testaceous, front tibifo 



